CN212277079U

CN212277079U - Isolating switch

Info

Publication number: CN212277079U
Application number: CN202021378736.XU
Authority: CN
Inventors: 张显波
Original assignee: Zhejiang Linbai Electric Technology Co ltd
Current assignee: Zhejiang Linbai Electric Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-01-01
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses an isolating switch relates to the electrical equipment field, and it includes casing, drive mechanism, moves touch panel and quiet touch panel, be equipped with the swivel mount of rotation installation in the casing, drive mechanism with the swivel mount linkage is connected, quiet touch panel fixed mounting is in just corresponding in the casing the both sides of swivel mount, it installs along radial bayonet formula to move the touch panel in the swivel mount, it follows the swivel mount positive and negative rotation to move the touch panel and realizes and the closure and the disconnection of quiet touch panel, be equipped with between swivel mount and the movable touch panel and be connected the two elastic component. The utility model has the advantages of good working stability.

Description

Isolating switch

Technical Field

The utility model relates to an electrical equipment field, concretely relates to isolator.

Background

An existing rotary isolating switch, for example, a rotary switch assembly disclosed by CN105308705B in 2019, 04, 12, is shown in fig. 4, where a moving contact and a fixed contact of the rotary switch are structured such that a plurality of groups of moving contacts are installed side by side on a rotary frame, each group has two moving contact plates spaced at a certain distance, the rotary frame drives the moving contact plates to rotate to the fixed contact, so that the fixed contact is clamped between the two moving contact plates, and this structure may cause poor contact, which may cause unstable operation of the isolating switch, and poor breaking capability.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a isolator that is used for solar photovoltaic direct current, job stabilization nature is good.

The utility model discloses the technical scheme who adopts: an isolating switch comprises a shell, a transmission mechanism, a movable contact plate and a fixed contact plate, wherein a rotating frame which is installed in a rotating mode is arranged in the shell, the transmission mechanism is connected with the rotating frame in a linkage mode, the fixed contact plate is fixedly installed in the shell and corresponds to the two sides of the rotating frame, the movable contact plate is installed in the rotating frame in a radially inserted mode, the movable contact plate rotates positively and negatively along with the rotating frame to achieve closing and breaking of the movable contact plate and the fixed contact plate, and an elastic piece which is used for connecting the rotating frame and the movable contact plate is arranged between the rotating frame and the movable contact plate.

The swivel mount cavity sets up, the circumference face of swivel mount is equipped with and runs through the setting and supplies move the wobbling opening of touch panel, the both ends of moving the touch panel are followed respectively stretch out in the opening, adopt the contact of face with the face between moving touch panel and the static touch panel.

The position that corresponds the swivel mount left and right sides in the casing is equipped with limit baffle, the circumference face of swivel mount still is equipped with the spacing boss that a plurality of and limit baffle correspond.

The movable contact plate and the limiting boss positioned at the rear part of the movable contact plate are provided with corresponding positioning bumps, the elastic piece adopts a spring, and two ends of the elastic piece are respectively arranged on the limiting boss and the positioning bumps of the movable contact plate.

The elastic piece adopts the extension spring, the extension spring both ends are connected respectively move the touch panel and be located the spacing boss in movable touch panel the place ahead.

The rotating frame is at least one in number.

One end of the rotating frame is provided with an external spline, and the other end of the rotating frame is provided with an internal spline.

The utility model has the advantages that: drive mechanism is connected with the swivel mount linkage among this technical scheme, and the swivel mount drives the movable contact plate through just reversing and also follows and carry out just reversing to realize and the closure and the disconnection of stationary contact plate, and the elastic component on the swivel mount provides the pretightning force of a pressure touch stationary contact plate for the movable contact plate all the time, guarantees the stability of work.

Drawings

Fig. 1 is a schematic structural diagram of an isolation switch according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a movable contact plate and a stationary contact plate.

Fig. 3 is a schematic structural diagram of a first embodiment of the isolating switch.

Fig. 4 is a schematic structural diagram of a rotary switch assembly of the related art.

Fig. 5 is a schematic structural diagram of a second embodiment of the isolating switch.

Fig. 6 is a schematic structural diagram of the movable contact plate and the rotating frame.

Fig. 7 is a schematic structural view of the rotating frame.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the isolating switch comprises a shell 1, a transmission mechanism 2, a movable contact plate 3 and a fixed contact plate 4, wherein a rotating frame 5 which is rotatably installed is arranged in the shell 1, the transmission mechanism 2 is in linkage connection with the rotating frame 5, the fixed contact plate 4 is fixedly installed in the shell 1 and corresponds to two sides of the rotating frame 5, the movable contact plate 3 is installed in the rotating frame 5 in a radially inserted manner, the movable contact plate 3 rotates forward and backward along with the rotating frame 5 to realize the closing and the disconnection with the fixed contact plate 4, and an elastic part 6 for connecting the rotating frame 5 and the movable contact plate 3 is arranged between the rotating frame 5 and the movable contact plate 3; drive mechanism is connected with the swivel mount linkage among this technical scheme, and the swivel mount drives the movable contact plate through just reversing and also follows and carry out just reversing to realize and the closure and the disconnection of stationary contact plate, and the elastic component on the swivel mount provides the pretightning force of a pressure touch stationary contact plate for the movable contact plate all the time, guarantees the stability of work.

The rotating frame 5 is arranged in a hollow manner, an opening 7 which is arranged in a penetrating manner and used for the movable contact plate 3 to swing is formed in the circumferential surface of the rotating frame 5, two ends of the movable contact plate 3 respectively extend out of the opening 7, and the movable contact plate 3 and the static contact plate 4 are in surface-to-surface contact; in addition, the space size of the opening can be used for the movable contact plate to swing around the axis.

The position that corresponds 5 left and right sides of swivel mount in the casing 1 is equipped with limit baffle 8, the circumference face of swivel mount 5 still is equipped with the spacing boss 9 that a plurality of and limit baffle 8 correspond, spacing boss has two, and the symmetry sets up on the periphery of swivel mount, and corresponding limit baffle also has two, has played and has blockked spacing effect, controls the rotation range of swivel mount, specifically is shown as figure 3 respectively.

This technical scheme 5 quantity of swivel mount is at least one, 5 one ends of swivel mount are equipped with external splines, and its other end is equipped with internal splines, and the structure through internal and external splines can realize a plurality of swivel mount equipment to reach a plurality of isolator and set up and synchronization action side by side.

The elastic part of the technical scheme has two embodiments in total, and other structures are the same as the above, and the difference point is that:

in the first embodiment, the movable contact plate 3 and the limiting boss 9 located behind the movable contact plate 3 are both provided with corresponding positioning bumps 10, the elastic member 6 is a spring, and two ends of the elastic member are respectively disposed on the limiting boss 9 and the positioning bumps 10 of the movable contact plate 3, the limiting boss 9 in this embodiment is located behind the movable contact plate 3, and the stationary contact plate 4 is located at the front end of the movable contact plate 3 in the moving direction, as shown in fig. 3.

In the second embodiment, the elastic element 6 is a tension spring, two ends of the tension spring are respectively connected to the movable contact plate 3 and a limit boss 9 located in front of the movable contact plate 3, in this embodiment, the static contact plate is set to be in front of the movable contact plate, and the limit boss located in front of the movable contact plate is used for installing the tension spring, as shown in fig. 5.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. An isolating switch, characterized in that: the novel movable contact mechanism comprises a shell (1), a transmission mechanism (2), a movable contact plate (3) and a fixed contact plate (4), wherein a rotating frame (5) which is installed in a rotating mode is arranged in the shell (1), the transmission mechanism (2) is connected with the rotating frame (5) in a linkage mode, the fixed contact plate (4) is fixedly installed in the shell (1) and corresponds to two sides of the rotating frame (5), the movable contact plate (3) is installed in the rotating frame (5) in a radial insertion mode, the movable contact plate (3) rotates forward and backward along with the rotating frame (5) to achieve closing and breaking of the movable contact plate (4), and an elastic piece (6) which is used for connecting the rotating frame (5) and the movable contact plate (3) is arranged between the rotating frame (5) and the movable contact plate (3).

2. The isolating switch of claim 1, wherein: the utility model discloses a movable contact plate, including swivel mount (5), the circumference face of swivel mount (5) is equipped with and runs through the setting and supplies move touch panel (3) wobbling opening (7), the both ends of moving touch panel (3) are followed respectively stretch out in opening (7), adopt the contact of face and face between movable touch panel (3) and static touch panel (4).

3. The disconnector of claim 2, wherein: the position that corresponds swivel mount (5) left and right sides in casing (1) is equipped with limit baffle (8), the circumference face of swivel mount (5) still is equipped with spacing boss (9) that a plurality of and limit baffle (8) correspond.

4. The isolating switch of claim 1, wherein: the movable contact plate (3) and the limiting lug boss (9) positioned at the rear part of the movable contact plate (3) are respectively provided with a corresponding positioning convex point (10), the elastic piece (6) adopts a spring, and the two ends of the elastic piece are respectively arranged on the limiting lug boss (9) and the positioning convex point (10) of the movable contact plate (3).

5. The disconnector of claim 4, wherein: the elastic piece (6) adopts a tension spring, and two ends of the tension spring are respectively connected with the movable contact plate (3) and a limiting boss (9) positioned in front of the movable contact plate (3).

6. The isolating switch of claim 1, wherein: the number of the rotating frames (5) is at least one.

7. The isolating switch of claim 6, wherein: one end of the rotating frame (5) is provided with an external spline, and the other end of the rotating frame is provided with an internal spline.